aggro santos Share definition Flag some body who is being angry or moody in a certain situation i.e something that gives them aggravation person 1: mate just fuck off leave me aloneperson 2: ooooo someone is being an "aggro santos" aggro santos by gewehr March 1, 2011 0 0 Get merch Get the aggro santos mug. Buy Now — $32.95 See more merch